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Home > GRB region information > 537921

Swift Trigger: 537921

Presumed name: GRB 121108A

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Related pages: Burst Analyser | Enhanced position | Light curve | Spectrum | Image | XRT Catalogue entry | Download obs data | GCN Notices

BAT	05h 32m 44.64s, +54° 29′ 27.6″
position:	(83.186, +54.491 ± 180″)
XRT	05h 32m 46.58s, +54° 28′ 26.0″
position:	(83.1941, 54.4739 ± 2.0″)
UVOT	No position available.
Galactic NHI:	1.87×1021 cm-2
Galactic E(B-V):	NED unavailable

Best RA:	05h 32m 46.58s	= 83.1941 d
Best Dec:	+54° 28′ 26.0″	= 54.4739 d
Gal Lat:	11.37
Gal Long:	156.86
Sun angle:	131.80°, 9.4 hr West

¹Sper #7 auto processing.

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GCN Notices for this burst.

View this region in Aladin.

Observability of this burst for Swift.

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Sun angle for this burst.

UVOT data

Blink images with DSS (link via GSFC)

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XRT SPER data

SPER results page for this trigger.

There are 9 SPER messages, and 1 objects have been found

• • Object 1 - enhanced position.
  • RA (J2000) : 05 32 46.56 (54.4739)
  • Dec (J2000): +54 28 25.9 ( 54.47204)
  • Error (90%): 2.0
  • Counts in Source: 460

See the SPER page for details of how this position was produced.

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Known transients within 5′ of the GRB

Click on the offset to view the transient announcement.

Offset (′′)	RA	Dec	Date reported	Source	Misc	Query
1.3′′	83.19408	54.47353		GCN #13959	GRB 121108A: Enhanced Swift-XRT position
7.2′′	83.19367	54.47192		GCN #13952	GRB 121108A: Swift detection of a burst
171.5′′	83.21625	54.51978		GCN #13961	GRB 121108A� Swift-BAT refined analysis

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Catalogue Searches. Searched 3.33′ around XRT position

Click on the distance to view the full details (not available for sources from the SSS catalogue). Click on the column headers to sort the table on that column (click again to invert sort order).

SIMBAD

	RA*	Dec*	SIMBAD name		Query

* RA/Dec in equinox J2000

X-ray sources

	RA*	Dec*		Source table2	Observatory	Query

Queried the X-ray MASTER catalogue.

* RA/Dec in equinox J2000

¹Energy band for count-rate is mission specific.

Galaxies

	RA*	Dec*	Redshift		Catalogue	Query
32.9	83.1784	54.4739		B1=18.7, B2=18.1, I=16.8, R1=17.4, R2=17.0	USNO-B1
41.2	83.1964	54.4625		R1=19.7, R2=19.8	USNO-B1
42.4	83.2050	54.4838		B1=19.1, B2=18.1, I=16.2, R1=17.1, R2=16.6	USNO-B1
42.6	83.1949	54.4857		B2=20.8, I=18.1, R1=19.1, R2=19.2	USNO-B1
44.5	83.2147	54.4708		B1=20.7, R1=19.0	USNO-B1
47.1	83.1724	54.4704		I=18.5, R1=19.3, R2=19.5	USNO-B1
49.4	83.2170	54.4706		B1=20.9, B2=20.3, I=18.4, R1=19.0, R2=19.3	USNO-B1
54.1	83.1715	54.4665		B2=21.1, R1=19.1	USNO-B1
55.9	83.1782	54.4864		I=18.7, R1=18.2	USNO-B1
57.3	83.2185	54.4812		B1=19.9, B2=18.7, I=17.2, R1=17.3	USNO-B1

Queried APM-N, SDSS, PSCz, SSS, NED, 2MASSX, USNO-B1.

There are 63 galaxies within the position error. The full list is here.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example

Stars

	RA*	Dec*		Catalogue	Query
7.4	83.1919	54.4755	h=16.2, j=16.7, k=16.0	2MASS
7.7	83.1918	54.4756	B1=19.4, B2=18.8, I=17.5, R1=18.1, R2=17.8	USNO-B1
10.6	83.1936	54.4710	B1=20.9, R1=19.2	USNO-B1
22.5	83.1860	54.4780	h=15.0, j=15.3, k=14.9	2MASS
22.7	83.1859	54.4780	B1=17.6, B2=17.4, I=15.9, R1=16.6, R2=16.5	USNO-B1
32.5	83.1786	54.4739	h=15.6, j=16.2, k=15.4	2MASS
34.5	83.1902	54.4646	B1=21.1, B2=20.2, I=18.6, R1=19.2, R2=19.0	USNO-B1
35.8	83.1790	54.4786	h=16.0, j=16.6, k=15.4	2MASS
36.2	83.1786	54.4784	B1=19.5, B2=18.6, I=17.3, R1=18.1, R2=17.8	USNO-B1
39.9	83.2131	54.4744	B1=20.1, B2=18.9, I=16.3, R1=17.1, R2=17.2	USNO-B1

Queried USNO-B1, SDSS, 2MASS.

There are 315 stars within the position error. The full list is here.

* RA/Dec in equinox J2000

Magnitudes depend on the catalogue. e.g. For Sloan, R is the Sloan r mag, not the Johnson R from APM, for example.